/////////////////////////////////////////////////////////////////////////////
-// Name: prntbase.cpp
+// Name: src/common/prntbase.cpp
// Purpose: Printing framework base class implementation
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "prntbase.h"
- #pragma implementation "printdlg.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#include "wx/defs.h"
-
#if wxUSE_PRINTING_ARCHITECTURE
+#include "wx/dcprint.h"
+
#ifndef WX_PRECOMP
-#include "wx/utils.h"
-#include "wx/dc.h"
-#include "wx/app.h"
-#include "wx/msgdlg.h"
-#include "wx/layout.h"
-#include "wx/choice.h"
-#include "wx/button.h"
-#include "wx/settings.h"
-#include "wx/dcmemory.h"
-#include "wx/stattext.h"
-#include "wx/intl.h"
-#include "wx/textdlg.h"
-#include "wx/sizer.h"
+ #if defined(__WXMSW__)
+ #include "wx/msw/wrapcdlg.h"
+ #endif // MSW
+ #include "wx/utils.h"
+ #include "wx/dc.h"
+ #include "wx/app.h"
+ #include "wx/math.h"
+ #include "wx/msgdlg.h"
+ #include "wx/layout.h"
+ #include "wx/choice.h"
+ #include "wx/button.h"
+ #include "wx/bmpbuttn.h"
+ #include "wx/settings.h"
+ #include "wx/dcmemory.h"
+ #include "wx/dcclient.h"
+ #include "wx/stattext.h"
+ #include "wx/intl.h"
+ #include "wx/textdlg.h"
+ #include "wx/sizer.h"
+ #include "wx/module.h"
#endif // !WX_PRECOMP
#include "wx/prntbase.h"
-#include "wx/dcprint.h"
#include "wx/printdlg.h"
#include "wx/print.h"
-#include "wx/module.h"
+#include "wx/dcprint.h"
+#include "wx/artprov.h"
#include <stdlib.h>
#include <string.h>
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
#include "wx/msw/printdlg.h"
+#include "wx/msw/dcprint.h"
#elif defined(__WXMAC__)
-#include "wx/mac/printdlg.h"
+#include "wx/osx/printdlg.h"
+#include "wx/osx/private/print.h"
+#include "wx/osx/dcprint.h"
+#elif defined(__WXPM__)
+#include "wx/os2/dcprint.h"
+#include "wx/generic/prntdlgg.h"
#else
#include "wx/generic/prntdlgg.h"
+#include "wx/dcps.h"
#endif
#ifdef __WXMSW__
- #include "wx/msw/wrapcdlg.h"
#ifndef __WIN32__
#include <print.h>
#endif
#else
return new wxPostScriptPrinter( data );
#endif
-};
+}
wxPrintPreviewBase *wxNativePrintFactory::CreatePrintPreview( wxPrintout *preview,
wxPrintout *printout, wxPrintDialogData *data )
#endif
}
+wxDCImpl* wxNativePrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
+{
+#if defined(__WXGTK__) || defined(__WXMOTIF__) || ( defined(__WXUNIVERSAL__) && !defined(__WXMAC__) )
+ return new wxPostScriptDCImpl( owner, data );
+#else
+ return new wxPrinterDCImpl( owner, data );
+#endif
+}
+
bool wxNativePrintFactory::HasOwnPrintToFile()
{
// Only relevant for PostScript and here the
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
return new wxWindowsPrintNativeData;
#elif defined(__WXMAC__)
- return new wxMacPrintNativeData;
+ return wxOSXCreatePrintData();
#else
return new wxPostScriptPrintNativeData;
#endif
wxPrinterBase::wxPrinterBase(wxPrintDialogData *data)
{
- m_currentPrintout = (wxPrintout *) NULL;
- sm_abortWindow = (wxWindow *) NULL;
+ m_currentPrintout = NULL;
+ sm_abortWindow = NULL;
sm_abortIt = false;
if (data)
m_printDialogData = (*data);
sm_lastError = wxPRINTER_NO_ERROR;
}
-wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
+wxWindow *wxPrinterBase::sm_abortWindow = NULL;
bool wxPrinterBase::sm_abortIt = false;
wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR;
bool wxPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
{
+ if ( !prompt && m_printDialogData.GetToPage() == 0 )
+ {
+ // If the dialog is not shown, set the pages range to print everything
+ // by default (as otherwise we wouldn't print anything at all which is
+ // certainly not a reasonable default behaviour).
+ int minPage, maxPage, selFrom, selTo;
+ printout->GetPageInfo(&minPage, &maxPage, &selFrom, &selTo);
+
+ wxPrintDialogData& pdd = m_pimpl->GetPrintDialogData();
+ pdd.SetFromPage(minPage);
+ pdd.SetToPage(maxPage);
+ }
+
return m_pimpl->Print( parent, printout, prompt );
}
wxPrinterBase::sm_abortIt = true;
wxPrinterBase::sm_abortWindow->Show(false);
wxPrinterBase::sm_abortWindow->Close(true);
- wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
+ wxPrinterBase::sm_abortWindow->Destroy();
+ wxPrinterBase::sm_abortWindow = NULL;
}
//----------------------------------------------------------------------------
wxPrintout::wxPrintout(const wxString& title)
{
m_printoutTitle = title ;
- m_printoutDC = (wxDC *) NULL;
+ m_printoutDC = NULL;
m_pageWidthMM = 0;
m_pageHeightMM = 0;
m_pageWidthPixels = 0;
m_PPIScreenY = 0;
m_PPIPrinterX = 0;
m_PPIPrinterY = 0;
- m_isPreview = false;
+ m_preview = NULL;
}
wxPrintout::~wxPrintout()
*toPage = 1;
}
+void wxPrintout::FitThisSizeToPaper(const wxSize& imageSize)
+{
+ // Set the DC scale and origin so that the given image size fits within the
+ // entire page and the origin is at the top left corner of the page. Note
+ // that with most printers, portions of the page will be non-printable. Use
+ // this if you're managing your own page margins.
+ if (!m_printoutDC) return;
+ wxRect paperRect = GetPaperRectPixels();
+ wxCoord pw, ph;
+ GetPageSizePixels(&pw, &ph);
+ wxCoord w, h;
+ m_printoutDC->GetSize(&w, &h);
+ float scaleX = ((float(paperRect.width) * w) / (float(pw) * imageSize.x));
+ float scaleY = ((float(paperRect.height) * h) / (float(ph) * imageSize.y));
+ float actualScale = wxMin(scaleX, scaleY);
+ m_printoutDC->SetUserScale(actualScale, actualScale);
+ m_printoutDC->SetDeviceOrigin(0, 0);
+ wxRect logicalPaperRect = GetLogicalPaperRect();
+ SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
+}
+
+void wxPrintout::FitThisSizeToPage(const wxSize& imageSize)
+{
+ // Set the DC scale and origin so that the given image size fits within the
+ // printable area of the page and the origin is at the top left corner of
+ // the printable area.
+ if (!m_printoutDC) return;
+ int w, h;
+ m_printoutDC->GetSize(&w, &h);
+ float scaleX = float(w) / imageSize.x;
+ float scaleY = float(h) / imageSize.y;
+ float actualScale = wxMin(scaleX, scaleY);
+ m_printoutDC->SetUserScale(actualScale, actualScale);
+ m_printoutDC->SetDeviceOrigin(0, 0);
+}
+
+void wxPrintout::FitThisSizeToPageMargins(const wxSize& imageSize, const wxPageSetupDialogData& pageSetupData)
+{
+ // Set the DC scale and origin so that the given image size fits within the
+ // page margins defined in the given wxPageSetupDialogData object and the
+ // origin is at the top left corner of the page margins.
+ if (!m_printoutDC) return;
+ wxRect paperRect = GetPaperRectPixels();
+ wxCoord pw, ph;
+ GetPageSizePixels(&pw, &ph);
+ wxPoint topLeft = pageSetupData.GetMarginTopLeft();
+ wxPoint bottomRight = pageSetupData.GetMarginBottomRight();
+ wxCoord mw, mh;
+ GetPageSizeMM(&mw, &mh);
+ float mmToDeviceX = float(pw) / mw;
+ float mmToDeviceY = float(ph) / mh;
+ wxRect pageMarginsRect(paperRect.x + wxRound(mmToDeviceX * topLeft.x),
+ paperRect.y + wxRound(mmToDeviceY * topLeft.y),
+ paperRect.width - wxRound(mmToDeviceX * (topLeft.x + bottomRight.x)),
+ paperRect.height - wxRound(mmToDeviceY * (topLeft.y + bottomRight.y)));
+ wxCoord w, h;
+ m_printoutDC->GetSize(&w, &h);
+ float scaleX = (float(pageMarginsRect.width) * w) / (float(pw) * imageSize.x);
+ float scaleY = (float(pageMarginsRect.height) * h) / (float(ph) * imageSize.y);
+ float actualScale = wxMin(scaleX, scaleY);
+ m_printoutDC->SetUserScale(actualScale, actualScale);
+ m_printoutDC->SetDeviceOrigin(0, 0);
+ wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
+ SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
+}
+
+void wxPrintout::MapScreenSizeToPaper()
+{
+ // Set the DC scale so that an image on the screen is the same size on the
+ // paper and the origin is at the top left of the paper. Note that with most
+ // printers, portions of the page will be cut off. Use this if you're
+ // managing your own page margins.
+ if (!m_printoutDC) return;
+ MapScreenSizeToPage();
+ wxRect logicalPaperRect = GetLogicalPaperRect();
+ SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
+}
+
+void wxPrintout::MapScreenSizeToPage()
+{
+ // Set the DC scale and origin so that an image on the screen is the same
+ // size on the paper and the origin is at the top left of the printable area.
+ if (!m_printoutDC) return;
+ int ppiScreenX, ppiScreenY;
+ GetPPIScreen(&ppiScreenX, &ppiScreenY);
+ int ppiPrinterX, ppiPrinterY;
+ GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
+ int w, h;
+ m_printoutDC->GetSize(&w, &h);
+ int pageSizePixelsX, pageSizePixelsY;
+ GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
+ float userScaleX = (float(ppiPrinterX) * w) / (float(ppiScreenX) * pageSizePixelsX);
+ float userScaleY = (float(ppiPrinterY) * h) / (float(ppiScreenY) * pageSizePixelsY);
+ m_printoutDC->SetUserScale(userScaleX, userScaleY);
+ m_printoutDC->SetDeviceOrigin(0, 0);
+}
+
+void wxPrintout::MapScreenSizeToPageMargins(const wxPageSetupDialogData& pageSetupData)
+{
+ // Set the DC scale so that an image on the screen is the same size on the
+ // paper and the origin is at the top left of the page margins defined by
+ // the given wxPageSetupDialogData object.
+ if (!m_printoutDC) return;
+ MapScreenSizeToPage();
+ wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
+ SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
+}
+
+void wxPrintout::MapScreenSizeToDevice()
+{
+ // Set the DC scale so that a screen pixel is the same size as a device
+ // pixel and the origin is at the top left of the printable area.
+ if (!m_printoutDC) return;
+ int w, h;
+ m_printoutDC->GetSize(&w, &h);
+ int pageSizePixelsX, pageSizePixelsY;
+ GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
+ float userScaleX = float(w) / pageSizePixelsX;
+ float userScaleY = float(h) / pageSizePixelsY;
+ m_printoutDC->SetUserScale(userScaleX, userScaleY);
+ m_printoutDC->SetDeviceOrigin(0, 0);
+}
+
+wxRect wxPrintout::GetLogicalPaperRect() const
+{
+ // Return the rectangle in logical units that corresponds to the paper
+ // rectangle.
+ wxRect paperRect = GetPaperRectPixels();
+ wxCoord pw, ph;
+ GetPageSizePixels(&pw, &ph);
+ wxCoord w, h;
+ m_printoutDC->GetSize(&w, &h);
+ if (w == pw && h == ph) {
+ // this DC matches the printed page, so no scaling
+ return wxRect(m_printoutDC->DeviceToLogicalX(paperRect.x),
+ m_printoutDC->DeviceToLogicalY(paperRect.y),
+ m_printoutDC->DeviceToLogicalXRel(paperRect.width),
+ m_printoutDC->DeviceToLogicalYRel(paperRect.height));
+ }
+ // This DC doesn't match the printed page, so we have to scale.
+ float scaleX = float(w) / pw;
+ float scaleY = float(h) / ph;
+ return wxRect(m_printoutDC->DeviceToLogicalX(wxRound(paperRect.x * scaleX)),
+ m_printoutDC->DeviceToLogicalY(wxRound(paperRect.y * scaleY)),
+ m_printoutDC->DeviceToLogicalXRel(wxRound(paperRect.width * scaleX)),
+ m_printoutDC->DeviceToLogicalYRel(wxRound(paperRect.height * scaleY)));
+}
+
+wxRect wxPrintout::GetLogicalPageRect() const
+{
+ // Return the rectangle in logical units that corresponds to the printable
+ // area.
+ int w, h;
+ m_printoutDC->GetSize(&w, &h);
+ return wxRect(m_printoutDC->DeviceToLogicalX(0),
+ m_printoutDC->DeviceToLogicalY(0),
+ m_printoutDC->DeviceToLogicalXRel(w),
+ m_printoutDC->DeviceToLogicalYRel(h));
+}
+
+wxRect wxPrintout::GetLogicalPageMarginsRect(const wxPageSetupDialogData& pageSetupData) const
+{
+ // Return the rectangle in logical units that corresponds to the region
+ // within the page margins as specified by the given wxPageSetupDialogData
+ // object.
+
+ // We get the paper size in device units and the margins in mm,
+ // so we need to calculate the conversion with this trick
+ wxCoord pw, ph;
+ GetPageSizePixels(&pw, &ph);
+ wxCoord mw, mh;
+ GetPageSizeMM(&mw, &mh);
+ float mmToDeviceX = float(pw) / mw;
+ float mmToDeviceY = float(ph) / mh;
+
+ // paper size in device units
+ wxRect paperRect = GetPaperRectPixels();
+
+ // margins in mm
+ wxPoint topLeft = pageSetupData.GetMarginTopLeft();
+ wxPoint bottomRight = pageSetupData.GetMarginBottomRight();
+
+ // calculate margins in device units
+ wxRect pageMarginsRect(
+ paperRect.x + wxRound(mmToDeviceX * topLeft.x),
+ paperRect.y + wxRound(mmToDeviceY * topLeft.y),
+ paperRect.width - wxRound(mmToDeviceX * (topLeft.x + bottomRight.x)),
+ paperRect.height - wxRound(mmToDeviceY * (topLeft.y + bottomRight.y)));
+
+ wxCoord w, h;
+ m_printoutDC->GetSize(&w, &h);
+ if (w == pw && h == ph)
+ {
+ // this DC matches the printed page, so no scaling
+ return wxRect(
+ m_printoutDC->DeviceToLogicalX(pageMarginsRect.x),
+ m_printoutDC->DeviceToLogicalY(pageMarginsRect.y),
+ m_printoutDC->DeviceToLogicalXRel(pageMarginsRect.width),
+ m_printoutDC->DeviceToLogicalYRel(pageMarginsRect.height));
+ }
+
+ // This DC doesn't match the printed page, so we have to scale.
+ float scaleX = float(w) / pw;
+ float scaleY = float(h) / ph;
+ return wxRect(m_printoutDC->DeviceToLogicalX(wxRound(pageMarginsRect.x * scaleX)),
+ m_printoutDC->DeviceToLogicalY(wxRound(pageMarginsRect.y * scaleY)),
+ m_printoutDC->DeviceToLogicalXRel(wxRound(pageMarginsRect.width * scaleX)),
+ m_printoutDC->DeviceToLogicalYRel(wxRound(pageMarginsRect.height * scaleY)));
+}
+
+void wxPrintout::SetLogicalOrigin(wxCoord x, wxCoord y)
+{
+ // Set the device origin by specifying a point in logical coordinates.
+ m_printoutDC->SetDeviceOrigin(
+ m_printoutDC->LogicalToDeviceX(x),
+ m_printoutDC->LogicalToDeviceY(y) );
+}
+
+void wxPrintout::OffsetLogicalOrigin(wxCoord xoff, wxCoord yoff)
+{
+ // Offset the device origin by a specified distance in device coordinates.
+ wxPoint dev_org = m_printoutDC->GetDeviceOrigin();
+ m_printoutDC->SetDeviceOrigin(
+ dev_org.x + m_printoutDC->LogicalToDeviceXRel(xoff),
+ dev_org.y + m_printoutDC->LogicalToDeviceYRel(yoff) );
+}
+
+
//----------------------------------------------------------------------------
// wxPreviewCanvas
//----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
EVT_PAINT(wxPreviewCanvas::OnPaint)
EVT_CHAR(wxPreviewCanvas::OnChar)
+ EVT_IDLE(wxPreviewCanvas::OnIdle)
EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
+#if wxUSE_MOUSEWHEEL
+ EVT_MOUSEWHEEL(wxPreviewCanvas::OnMouseWheel)
+#endif
END_EVENT_TABLE()
// VZ: the current code doesn't refresh properly without
// The app workspace colour is always white, but we should have
// a contrast with the page.
wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
+#elif defined(__WXGTK__)
+ wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
#else
wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
#endif
}
}
+void wxPreviewCanvas::OnIdle(wxIdleEvent& event)
+{
+ event.Skip();
+
+ // prevent UpdatePageRendering() from being called recursively:
+ static bool s_inIdle = false;
+ if ( s_inIdle )
+ return;
+ s_inIdle = true;
+
+ if ( m_printPreview )
+ {
+ if ( m_printPreview->UpdatePageRendering() )
+ Refresh();
+ }
+
+ s_inIdle = false;
+}
+
// Responds to colour changes, and passes event on to children.
void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
{
// The app workspace colour is always white, but we should have
// a contrast with the page.
wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
+#elif defined(__WXGTK__)
+ wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
#else
wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
#endif
void wxPreviewCanvas::OnChar(wxKeyEvent &event)
{
wxPreviewControlBar* controlBar = ((wxPreviewFrame*) GetParent())->GetControlBar();
- if (event.GetKeyCode() == WXK_ESCAPE)
- {
- ((wxPreviewFrame*) GetParent())->Close(true);
- return;
- }
- else if (event.GetKeyCode() == WXK_TAB)
- {
- controlBar->OnGoto();
- return;
- }
- else if (event.GetKeyCode() == WXK_RETURN)
+ switch (event.GetKeyCode())
{
- controlBar->OnPrint();
- return;
+ case WXK_RETURN:
+ controlBar->OnPrint();
+ return;
+ case (int)'+':
+ case WXK_NUMPAD_ADD:
+ case WXK_ADD:
+ controlBar->DoZoomIn();
+ return;
+ case (int)'-':
+ case WXK_NUMPAD_SUBTRACT:
+ case WXK_SUBTRACT:
+ controlBar->DoZoomOut();
+ return;
}
if (!event.ControlDown())
switch(event.GetKeyCode())
{
- case WXK_NEXT:
+ case WXK_PAGEDOWN:
controlBar->OnNext(); break;
- case WXK_PRIOR:
+ case WXK_PAGEUP:
controlBar->OnPrevious(); break;
case WXK_HOME:
controlBar->OnFirst(); break;
}
}
+#if wxUSE_MOUSEWHEEL
+
+void wxPreviewCanvas::OnMouseWheel(wxMouseEvent& event)
+{
+ wxPreviewControlBar *
+ controlBar = wxStaticCast(GetParent(), wxPreviewFrame)->GetControlBar();
+
+ if ( controlBar )
+ {
+ if ( event.ControlDown() && event.GetWheelRotation() != 0 )
+ {
+ int currentZoom = controlBar->GetZoomControl();
+
+ int delta;
+ if ( currentZoom < 100 )
+ delta = 5;
+ else if ( currentZoom <= 120 )
+ delta = 10;
+ else
+ delta = 50;
+
+ if ( event.GetWheelRotation() > 0 )
+ delta = -delta;
+
+ int newZoom = currentZoom + delta;
+ if ( newZoom < 10 )
+ newZoom = 10;
+ if ( newZoom > 200 )
+ newZoom = 200;
+ if ( newZoom != currentZoom )
+ {
+ controlBar->SetZoomControl(newZoom);
+ m_printPreview->SetZoom(newZoom);
+ Refresh();
+ }
+ return;
+ }
+ }
+
+ event.Skip();
+}
+
+#endif // wxUSE_MOUSEWHEEL
+
+namespace
+{
+
+// This is by the controls in the print preview as the maximal (and hence
+// longest) page number we may have to display.
+enum { MAX_PAGE_NUMBER = 99999 };
+
+} // anonymous namespace
+
+// ----------------------------------------------------------------------------
+// wxPrintPageMaxCtrl
+// ----------------------------------------------------------------------------
+
+// A simple static control showing the maximal number of pages.
+class wxPrintPageMaxCtrl : public wxStaticText
+{
+public:
+ wxPrintPageMaxCtrl(wxWindow *parent)
+ : wxStaticText(
+ parent,
+ wxID_ANY,
+ wxString(),
+ wxDefaultPosition,
+ wxSize
+ (
+ parent->GetTextExtent(MaxAsString(MAX_PAGE_NUMBER)).x,
+ wxDefaultCoord
+ ),
+ wxST_NO_AUTORESIZE | wxALIGN_CENTRE
+ )
+ {
+ }
+
+ // Set the maximal page to display once we really know what it is.
+ void SetMaxPage(int maxPage)
+ {
+ SetLabel(MaxAsString(maxPage));
+ }
+
+private:
+ static wxString MaxAsString(int maxPage)
+ {
+ return wxString::Format("/ %d", maxPage);
+ }
+
+ wxDECLARE_NO_COPY_CLASS(wxPrintPageMaxCtrl);
+};
+
+// ----------------------------------------------------------------------------
+// wxPrintPageTextCtrl
+// ----------------------------------------------------------------------------
+
+// This text control contains the page number in the specified interval.
+//
+// Invalid pages are not accepted and the control contents is validated when it
+// loses focus. Conversely, if the user changes the page to another valid one
+// or presses Enter, OnGotoPage() method of the preview object will be called.
+class wxPrintPageTextCtrl : public wxTextCtrl
+{
+public:
+ wxPrintPageTextCtrl(wxPreviewControlBar *preview)
+ : wxTextCtrl(preview,
+ wxID_PREVIEW_GOTO,
+ wxString(),
+ wxDefaultPosition,
+ // We use hardcoded maximal page number for the width
+ // instead of fitting it to the values we can show because
+ // the control looks uncomfortably narrow if the real page
+ // number is just one or two digits.
+ wxSize
+ (
+ preview->GetTextExtent(PageAsString(MAX_PAGE_NUMBER)).x,
+ wxDefaultCoord
+ ),
+ wxTE_PROCESS_ENTER
+#if wxUSE_VALIDATORS
+ , wxTextValidator(wxFILTER_DIGITS)
+#endif // wxUSE_VALIDATORS
+ ),
+ m_preview(preview)
+ {
+ m_minPage =
+ m_maxPage =
+ m_page = 1;
+
+ Connect(wxEVT_KILL_FOCUS,
+ wxFocusEventHandler(wxPrintPageTextCtrl::OnKillFocus));
+ Connect(wxEVT_COMMAND_TEXT_ENTER,
+ wxCommandEventHandler(wxPrintPageTextCtrl::OnTextEnter));
+ }
+
+ // Update the pages range, must be called after OnPreparePrinting() as
+ // these values are not known before.
+ void SetPageInfo(int minPage, int maxPage)
+ {
+ m_minPage = minPage;
+ m_maxPage = maxPage;
+
+ // Show the first page by default.
+ SetPageNumber(minPage);
+ }
+
+ // Helpers to conveniently set or get the current page number. Return value
+ // is 0 if the current controls contents is invalid.
+ void SetPageNumber(int page)
+ {
+ wxASSERT( IsValidPage(page) );
+
+ SetValue(PageAsString(page));
+ }
+
+ int GetPageNumber() const
+ {
+ long value;
+ if ( !GetValue().ToLong(&value) || !IsValidPage(value) )
+ return 0;
+
+ // Cast is safe because the value is less than (int) m_maxPage.
+ return static_cast<int>(value);
+ }
+
+private:
+ static wxString PageAsString(int page)
+ {
+ return wxString::Format("%d", page);
+ }
+
+ bool IsValidPage(int page) const
+ {
+ return page >= m_minPage && page <= m_maxPage;
+ }
+
+ bool DoChangePage()
+ {
+ const int page = GetPageNumber();
+
+ if ( !page )
+ return false;
+
+ if ( page != m_page )
+ {
+ // We have a valid page, remember it.
+ m_page = page;
+
+ // And notify the owner about the change.
+ m_preview->OnGotoPage();
+ }
+ //else: Nothing really changed.
+
+ return true;
+ }
+
+ void OnKillFocus(wxFocusEvent& event)
+ {
+ if ( !DoChangePage() )
+ {
+ // The current contents is invalid so reset it back to the last
+ // known good page index.
+ SetPageNumber(m_page);
+ }
+
+ event.Skip();
+ }
+
+ void OnTextEnter(wxCommandEvent& WXUNUSED(event))
+ {
+ DoChangePage();
+ }
+
+
+ wxPreviewControlBar * const m_preview;
+
+ int m_minPage,
+ m_maxPage;
+
+ // This is the last valid page value that we had, we revert to it if an
+ // invalid page is entered.
+ int m_page;
+
+ wxDECLARE_NO_COPY_CLASS(wxPrintPageTextCtrl);
+};
+
//----------------------------------------------------------------------------
// wxPreviewControlBar
//----------------------------------------------------------------------------
EVT_BUTTON(wxID_PREVIEW_NEXT, wxPreviewControlBar::OnNextButton)
EVT_BUTTON(wxID_PREVIEW_FIRST, wxPreviewControlBar::OnFirstButton)
EVT_BUTTON(wxID_PREVIEW_LAST, wxPreviewControlBar::OnLastButton)
- EVT_BUTTON(wxID_PREVIEW_GOTO, wxPreviewControlBar::OnGotoButton)
- EVT_CHOICE(wxID_PREVIEW_ZOOM, wxPreviewControlBar::OnZoom)
+ EVT_BUTTON(wxID_PREVIEW_ZOOM_IN, wxPreviewControlBar::OnZoomInButton)
+ EVT_BUTTON(wxID_PREVIEW_ZOOM_OUT, wxPreviewControlBar::OnZoomOutButton)
+
+ EVT_UPDATE_UI(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnUpdatePreviousButton)
+ EVT_UPDATE_UI(wxID_PREVIEW_NEXT, wxPreviewControlBar::OnUpdateNextButton)
+ EVT_UPDATE_UI(wxID_PREVIEW_FIRST, wxPreviewControlBar::OnUpdateFirstButton)
+ EVT_UPDATE_UI(wxID_PREVIEW_LAST, wxPreviewControlBar::OnUpdateLastButton)
+ EVT_UPDATE_UI(wxID_PREVIEW_ZOOM_IN, wxPreviewControlBar::OnUpdateZoomInButton)
+ EVT_UPDATE_UI(wxID_PREVIEW_ZOOM_OUT, wxPreviewControlBar::OnUpdateZoomOutButton)
+
+ EVT_CHOICE(wxID_PREVIEW_ZOOM, wxPreviewControlBar::OnZoomChoice)
EVT_PAINT(wxPreviewControlBar::OnPaint)
+
END_EVENT_TABLE()
wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
wxPanel(parent, wxID_ANY, pos, size, style, name)
{
m_printPreview = preview;
- m_closeButton = (wxButton *) NULL;
- m_nextPageButton = (wxButton *) NULL;
- m_previousPageButton = (wxButton *) NULL;
- m_printButton = (wxButton *) NULL;
- m_zoomControl = (wxChoice *) NULL;
+ m_closeButton = NULL;
+ m_zoomControl = NULL;
+ m_currentPageText = NULL;
+ m_maxPageText = NULL;
m_buttonFlags = buttons;
}
preview->Print(true);
}
-void wxPreviewControlBar::OnNext(void)
+void wxPreviewControlBar::OnNext()
+{
+ if ( IsNextEnabled() )
+ DoGotoPage(GetPrintPreview()->GetCurrentPage() + 1);
+}
+
+void wxPreviewControlBar::OnPrevious()
+{
+ if ( IsPreviousEnabled() )
+ DoGotoPage(GetPrintPreview()->GetCurrentPage() - 1);
+}
+
+void wxPreviewControlBar::OnFirst()
+{
+ if ( IsFirstEnabled() )
+ DoGotoPage(GetPrintPreview()->GetMinPage());
+}
+
+void wxPreviewControlBar::OnLast()
+{
+ if ( IsLastEnabled() )
+ DoGotoPage(GetPrintPreview()->GetMaxPage());
+}
+
+bool wxPreviewControlBar::IsNextEnabled() const
{
wxPrintPreviewBase *preview = GetPrintPreview();
- if (preview)
- {
- int currentPage = preview->GetCurrentPage();
- if ((preview->GetMaxPage() > 0) &&
- (currentPage < preview->GetMaxPage()) &&
- preview->GetPrintout()->HasPage(currentPage + 1))
- {
- preview->SetCurrentPage(currentPage + 1);
- }
- }
+ if ( !preview )
+ return false;
+
+ const int currentPage = preview->GetCurrentPage();
+ return currentPage < preview->GetMaxPage() &&
+ preview->GetPrintout()->HasPage(currentPage + 1);
}
-void wxPreviewControlBar::OnPrevious(void)
+bool wxPreviewControlBar::IsPreviousEnabled() const
{
wxPrintPreviewBase *preview = GetPrintPreview();
- if (preview)
- {
- int currentPage = preview->GetCurrentPage();
- if ((preview->GetMinPage() > 0) &&
- (currentPage > preview->GetMinPage()) &&
- preview->GetPrintout()->HasPage(currentPage - 1))
- {
- preview->SetCurrentPage(currentPage - 1);
- }
- }
+ if ( !preview )
+ return false;
+
+ const int currentPage = preview->GetCurrentPage();
+ return currentPage > preview->GetMinPage() &&
+ preview->GetPrintout()->HasPage(currentPage - 1);
}
-void wxPreviewControlBar::OnFirst(void)
+bool wxPreviewControlBar::IsFirstEnabled() const
{
wxPrintPreviewBase *preview = GetPrintPreview();
- if (preview)
- {
- int currentPage = preview->GetMinPage();
- if (preview->GetPrintout()->HasPage(currentPage))
- {
- preview->SetCurrentPage(currentPage);
- }
- }
+ if (!preview)
+ return false;
+
+ return preview->GetPrintout()->HasPage(preview->GetMinPage());
}
-void wxPreviewControlBar::OnLast(void)
+bool wxPreviewControlBar::IsLastEnabled() const
{
wxPrintPreviewBase *preview = GetPrintPreview();
- if (preview)
- {
- int currentPage = preview->GetMaxPage();
- if (preview->GetPrintout()->HasPage(currentPage))
- {
- preview->SetCurrentPage(currentPage);
- }
- }
+ if (!preview)
+ return false;
+
+ return preview->GetPrintout()->HasPage(preview->GetMaxPage());
}
-void wxPreviewControlBar::OnGoto(void)
+void wxPreviewControlBar::DoGotoPage(int page)
+{
+ wxPrintPreviewBase *preview = GetPrintPreview();
+ wxCHECK_RET( preview, "Shouldn't be called if there is no preview." );
+
+ preview->SetCurrentPage(page);
+
+ if ( m_currentPageText )
+ m_currentPageText->SetPageNumber(page);
+}
+
+void wxPreviewControlBar::OnGotoPage()
{
wxPrintPreviewBase *preview = GetPrintPreview();
if (preview)
{
- long currentPage;
-
if (preview->GetMinPage() > 0)
{
- wxString strPrompt;
- wxString strPage;
-
- strPrompt.Printf( _("Enter a page number between %d and %d:"),
- preview->GetMinPage(), preview->GetMaxPage());
- strPage.Printf( wxT("%d"), preview->GetCurrentPage() );
-
- strPage =
- wxGetTextFromUser( strPrompt, _("Goto Page"), strPage, GetParent());
-
- if ( strPage.ToLong( ¤tPage ) )
+ long currentPage = m_currentPageText->GetPageNumber();
+ if ( currentPage )
+ {
if (preview->GetPrintout()->HasPage(currentPage))
{
preview->SetCurrentPage(currentPage);
}
+ }
}
}
}
-void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
+void wxPreviewControlBar::DoZoom()
{
int zoom = GetZoomControl();
if (GetPrintPreview())
GetPrintPreview()->SetZoom(zoom);
}
-void wxPreviewControlBar::CreateButtons()
+bool wxPreviewControlBar::IsZoomInEnabled() const
{
- SetSize(0, 0, 400, 40);
+ if ( !m_zoomControl )
+ return false;
- wxBoxSizer *item0 = new wxBoxSizer( wxHORIZONTAL );
+ const unsigned sel = m_zoomControl->GetSelection();
+ return sel < m_zoomControl->GetCount() - 1;
+}
- m_closeButton = new wxButton( this, wxID_PREVIEW_CLOSE, _("&Close"), wxDefaultPosition, wxDefaultSize, 0 );
- item0->Add( m_closeButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+bool wxPreviewControlBar::IsZoomOutEnabled() const
+{
+ return m_zoomControl && m_zoomControl->GetSelection() > 0;
+}
+void wxPreviewControlBar::DoZoomIn()
+{
+ if (IsZoomInEnabled())
+ {
+ m_zoomControl->SetSelection(m_zoomControl->GetSelection() + 1);
+ DoZoom();
+ }
+}
+
+void wxPreviewControlBar::DoZoomOut()
+{
+ if (IsZoomOutEnabled())
+ {
+ m_zoomControl->SetSelection(m_zoomControl->GetSelection() - 1);
+ DoZoom();
+ }
+}
+
+namespace
+{
+
+// Helper class used by wxPreviewControlBar::CreateButtons() to add buttons
+// sequentially to it in the simplest way possible.
+class SizerWithButtons
+{
+public:
+ // Constructor creates the sizer that will hold the buttons and stores the
+ // parent that will be used for their creation.
+ SizerWithButtons(wxWindow *parent)
+ : m_sizer(new wxBoxSizer(wxHORIZONTAL)),
+ m_parent(parent)
+ {
+ m_hasContents =
+ m_needsSeparator = false;
+ }
+
+ // Destructor associates the sizer with the parent window.
+ ~SizerWithButtons()
+ {
+ m_parent->SetSizer(m_sizer);
+ m_sizer->Fit(m_parent);
+ }
+
+
+ // Add an arbitrary window to the sizer.
+ void Add(wxWindow *win)
+ {
+ if ( m_needsSeparator )
+ {
+ m_needsSeparator = false;
+
+ m_sizer->AddSpacer(2*wxSizerFlags::GetDefaultBorder());
+ }
+
+ m_hasContents = true;
+
+ m_sizer->Add(win,
+ wxSizerFlags().Border(wxLEFT | wxTOP | wxBOTTOM).Center());
+ }
+
+ // Add a button with the specified id, bitmap and tooltip.
+ void AddButton(wxWindowID btnId,
+ const wxArtID& artId,
+ const wxString& tooltip)
+ {
+ // We don't use (smaller) images inside a button with a text label but
+ // rather toolbar-like bitmap buttons hence use wxART_TOOLBAR and not
+ // wxART_BUTTON here.
+ wxBitmap bmp = wxArtProvider::GetBitmap(artId, wxART_TOOLBAR);
+ wxBitmapButton * const btn = new wxBitmapButton(m_parent, btnId, bmp);
+ btn->SetToolTip(tooltip);
+
+ Add(btn);
+ }
+
+ // Add a control at the right end of the window. This should be called last
+ // as everything else added after it will be added on the right side too.
+ void AddAtEnd(wxWindow *win)
+ {
+ m_sizer->AddStretchSpacer();
+ m_sizer->Add(win,
+ wxSizerFlags().Border(wxTOP | wxBOTTOM | wxRIGHT).Center());
+ }
+
+ // Indicates the end of a group of buttons, a separator will be added after
+ // it.
+ void EndOfGroup()
+ {
+ if ( m_hasContents )
+ {
+ m_needsSeparator = true;
+ m_hasContents = false;
+ }
+ }
+
+private:
+ wxSizer * const m_sizer;
+ wxWindow * const m_parent;
+
+ // If true, we have some controls since the last group beginning. This is
+ // used to avoid inserting two consecutive separators if EndOfGroup() is
+ // called twice.
+ bool m_hasContents;
+
+ // If true, a separator should be inserted before adding the next button.
+ bool m_needsSeparator;
+
+ wxDECLARE_NO_COPY_CLASS(SizerWithButtons);
+};
+
+} // anonymous namespace
+
+void wxPreviewControlBar::CreateButtons()
+{
+ SizerWithButtons sizer(this);
+
+ // Print button group (a single button).
if (m_buttonFlags & wxPREVIEW_PRINT)
{
- m_printButton = new wxButton( this, wxID_PREVIEW_PRINT, _("&Print..."), wxDefaultPosition, wxDefaultSize, 0 );
- item0->Add( m_printButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+ sizer.AddButton(wxID_PREVIEW_PRINT, wxART_PRINT, _("Print"));
+ sizer.EndOfGroup();
}
+ // Page selection buttons group.
if (m_buttonFlags & wxPREVIEW_FIRST)
{
- m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
- item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+ sizer.AddButton(wxID_PREVIEW_FIRST, wxART_GOTO_FIRST, _("First page"));
}
if (m_buttonFlags & wxPREVIEW_PREVIOUS)
{
- m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
- item0->Add( m_previousPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
+ sizer.AddButton(wxID_PREVIEW_PREVIOUS, wxART_GO_BACK, _("Previous page"));
}
- if (m_buttonFlags & wxPREVIEW_NEXT)
+ if (m_buttonFlags & wxPREVIEW_GOTO)
{
- m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
- item0->Add( m_nextPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
+ m_currentPageText = new wxPrintPageTextCtrl(this);
+ sizer.Add(m_currentPageText);
+
+ m_maxPageText = new wxPrintPageMaxCtrl(this);
+ sizer.Add(m_maxPageText);
}
- if (m_buttonFlags & wxPREVIEW_LAST)
+ if (m_buttonFlags & wxPREVIEW_NEXT)
{
- m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
- item0->Add( m_lastPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
+ sizer.AddButton(wxID_PREVIEW_NEXT, wxART_GO_FORWARD, _("Next page"));
}
- if (m_buttonFlags & wxPREVIEW_GOTO)
+ if (m_buttonFlags & wxPREVIEW_LAST)
{
- m_gotoPageButton = new wxButton( this, wxID_PREVIEW_GOTO, _("&Goto..."), wxDefaultPosition, wxDefaultSize, 0 );
- item0->Add( m_gotoPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+ sizer.AddButton(wxID_PREVIEW_LAST, wxART_GOTO_LAST, _("Last page"));
}
+ sizer.EndOfGroup();
+
+ // Zoom controls group.
if (m_buttonFlags & wxPREVIEW_ZOOM)
{
+ sizer.AddButton(wxID_PREVIEW_ZOOM_OUT, wxART_MINUS, _("Zoom Out"));
+
wxString choices[] =
{
wxT("10%"), wxT("15%"), wxT("20%"), wxT("25%"), wxT("30%"), wxT("35%"), wxT("40%"), wxT("45%"), wxT("50%"), wxT("55%"),
int n = WXSIZEOF(choices);
m_zoomControl = new wxChoice( this, wxID_PREVIEW_ZOOM, wxDefaultPosition, wxSize(70,wxDefaultCoord), n, choices, 0 );
- item0->Add( m_zoomControl, 0, wxALIGN_CENTRE|wxALL, 5 );
+ sizer.Add(m_zoomControl);
SetZoomControl(m_printPreview->GetZoom());
+
+ sizer.AddButton(wxID_PREVIEW_ZOOM_IN, wxART_PLUS, _("Zoom In"));
+
+ sizer.EndOfGroup();
}
- SetSizer(item0);
- item0->Fit(this);
+ // Close button group (single button again).
+ m_closeButton = new wxButton(this, wxID_PREVIEW_CLOSE, _("&Close"));
+ sizer.AddAtEnd(m_closeButton);
+}
+
+void wxPreviewControlBar::SetPageInfo(int minPage, int maxPage)
+{
+ if ( m_currentPageText )
+ m_currentPageText->SetPageInfo(minPage, maxPage);
+
+ if ( m_maxPageText )
+ m_maxPageText->SetMaxPage(maxPage);
}
void wxPreviewControlBar::SetZoomControl(int zoom)
IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
+ EVT_CHAR_HOOK(wxPreviewFrame::OnChar)
EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
END_EVENT_TABLE()
+void wxPreviewFrame::OnChar(wxKeyEvent &event)
+{
+ if ( event.GetKeyCode() == WXK_ESCAPE )
+ {
+ Close(true);
+ }
+ else
+ {
+ event.Skip();
+ }
+}
+
wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxWindow *parent, const wxString& title,
const wxPoint& pos, const wxSize& size, long style, const wxString& name):
wxFrame(parent, wxID_ANY, title, pos, size, style, name)
m_controlBar = NULL;
m_previewCanvas = NULL;
m_windowDisabler = NULL;
+ m_modalityKind = wxPreviewFrame_NonModal;
// Give the application icon
#ifdef __WXMSW__
wxFrame* topFrame = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
if (topFrame)
- SetIcon(topFrame->GetIcon());
+ SetIcons(topFrame->GetIcons());
#endif
}
wxPreviewFrame::~wxPreviewFrame()
{
-}
-
-void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
-{
- if (m_windowDisabler)
- delete m_windowDisabler;
-
- // Need to delete the printout and the print preview
wxPrintout *printout = m_printPreview->GetPrintout();
if (printout)
{
m_printPreview->SetCanvas(NULL);
m_printPreview->SetFrame(NULL);
}
+
+ m_previewCanvas->SetPreview(NULL);
delete m_printPreview;
+}
+
+void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
+{
+ // Reenable any windows we disabled by undoing whatever we did in our
+ // Initialize().
+ switch ( m_modalityKind )
+ {
+ case wxPreviewFrame_AppModal:
+ delete m_windowDisabler;
+ m_windowDisabler = NULL;
+ break;
+
+ case wxPreviewFrame_WindowModal:
+ if ( GetParent() )
+ GetParent()->Enable();
+ break;
+
+ case wxPreviewFrame_NonModal:
+ break;
+ }
Destroy();
}
-void wxPreviewFrame::Initialize()
+void wxPreviewFrame::InitializeWithModality(wxPreviewFrameModalityKind kind)
{
#if wxUSE_STATUSBAR
CreateStatusBar();
SetAutoLayout( true );
SetSizer( item0 );
- m_windowDisabler = new wxWindowDisabler(this);
+ m_modalityKind = kind;
+ switch ( m_modalityKind )
+ {
+ case wxPreviewFrame_AppModal:
+ // Disable everything.
+ m_windowDisabler = new wxWindowDisabler( this );
+ break;
+
+ case wxPreviewFrame_WindowModal:
+ // Disable our parent if we have one.
+ if ( GetParent() )
+ GetParent()->Disable();
+ break;
+
+ case wxPreviewFrame_NonModal:
+ // Nothing to do, we don't need to disable any windows.
+ break;
+ }
+
Layout();
if (m_printPreview->GetPrintoutForPrinting())
buttons |= wxPREVIEW_PRINT;
- m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0,0), wxSize(400, 40));
+ m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this);
m_controlBar->CreateButtons();
}
m_isOk = true;
m_previewPrintout = printout;
if (m_previewPrintout)
- m_previewPrintout->SetIsPreview(true);
+ m_previewPrintout->SetPreview(static_cast<wxPrintPreview *>(this));
m_printPrintout = printoutForPrinting;
m_previewCanvas = NULL;
m_previewFrame = NULL;
m_previewBitmap = NULL;
+ m_previewFailed = false;
m_currentPage = 1;
m_currentZoom = 70;
- m_topMargin = 40;
- m_leftMargin = 40;
+ m_topMargin =
+ m_leftMargin = 2*wxSizerFlags::GetDefaultBorder();
m_pageWidth = 0;
m_pageHeight = 0;
m_printingPrepared = false;
return true;
m_currentPage = pageNum;
- if (m_previewBitmap)
- {
- delete m_previewBitmap;
- m_previewBitmap = NULL;
- }
+
+ InvalidatePreviewBitmap();
if (m_previewCanvas)
{
AdjustScrollbars(m_previewCanvas);
- if (!RenderPage(pageNum))
- return false;
m_previewCanvas->Refresh();
m_previewCanvas->SetFocus();
}
}
int wxPrintPreviewBase::GetCurrentPage() const
- { return m_currentPage; };
+ { return m_currentPage; }
void wxPrintPreviewBase::SetPrintout(wxPrintout *printout)
- { m_previewPrintout = printout; };
+ { m_previewPrintout = printout; }
wxPrintout *wxPrintPreviewBase::GetPrintout() const
- { return m_previewPrintout; };
+ { return m_previewPrintout; }
wxPrintout *wxPrintPreviewBase::GetPrintoutForPrinting() const
- { return m_printPrintout; };
+ { return m_printPrintout; }
void wxPrintPreviewBase::SetFrame(wxFrame *frame)
- { m_previewFrame = frame; };
+ { m_previewFrame = frame; }
void wxPrintPreviewBase::SetCanvas(wxPreviewCanvas *canvas)
- { m_previewCanvas = canvas; };
+ { m_previewCanvas = canvas; }
wxFrame *wxPrintPreviewBase::GetFrame() const
{ return m_previewFrame; }
wxPreviewCanvas *wxPrintPreviewBase::GetCanvas() const
{ return m_previewCanvas; }
-bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
+void wxPrintPreviewBase::CalcRects(wxPreviewCanvas *canvas, wxRect& pageRect, wxRect& paperRect)
{
- DrawBlankPage(canvas, dc);
+ // Calculate the rectangles for the printable area of the page and the
+ // entire paper as they appear on the canvas on-screen.
+ int canvasWidth, canvasHeight;
+ canvas->GetSize(&canvasWidth, &canvasHeight);
- if (!m_previewBitmap)
- if (!RenderPage(m_currentPage))
- return false;
+ float zoomScale = float(m_currentZoom) / 100;
+ float screenPrintableWidth = zoomScale * m_pageWidth * m_previewScaleX;
+ float screenPrintableHeight = zoomScale * m_pageHeight * m_previewScaleY;
- if (!m_previewBitmap)
+ wxRect devicePaperRect = m_previewPrintout->GetPaperRectPixels();
+ wxCoord devicePrintableWidth, devicePrintableHeight;
+ m_previewPrintout->GetPageSizePixels(&devicePrintableWidth, &devicePrintableHeight);
+ float scaleX = screenPrintableWidth / devicePrintableWidth;
+ float scaleY = screenPrintableHeight / devicePrintableHeight;
+ paperRect.width = wxCoord(scaleX * devicePaperRect.width);
+ paperRect.height = wxCoord(scaleY * devicePaperRect.height);
+
+ paperRect.x = wxCoord((canvasWidth - paperRect.width)/ 2.0);
+ if (paperRect.x < m_leftMargin)
+ paperRect.x = m_leftMargin;
+ paperRect.y = wxCoord((canvasHeight - paperRect.height)/ 2.0);
+ if (paperRect.y < m_topMargin)
+ paperRect.y = m_topMargin;
+
+ pageRect.x = paperRect.x - wxCoord(scaleX * devicePaperRect.x);
+ pageRect.y = paperRect.y - wxCoord(scaleY * devicePaperRect.y);
+ pageRect.width = wxCoord(screenPrintableWidth);
+ pageRect.height = wxCoord(screenPrintableHeight);
+}
+
+
+void wxPrintPreviewBase::InvalidatePreviewBitmap()
+{
+ wxDELETE(m_previewBitmap);
+ // if there was a problem with rendering the preview, try again now
+ // that it changed in some way (less memory may be needed, for example):
+ m_previewFailed = false;
+}
+
+bool wxPrintPreviewBase::UpdatePageRendering()
+{
+ if ( m_previewBitmap )
return false;
- if (!canvas)
+ if ( m_previewFailed )
return false;
- int canvasWidth, canvasHeight;
- canvas->GetSize(&canvasWidth, &canvasHeight);
+ if ( !RenderPage(m_currentPage) )
+ {
+ m_previewFailed = true; // don't waste time failing again
+ return false;
+ }
- double zoomScale = ((float)m_currentZoom/(float)100);
- double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
- // float actualHeight = (float)(zoomScale*m_pageHeight*m_previewScale);
+ return true;
+}
- int x = (int) ((canvasWidth - actualWidth)/2.0);
- if (x < m_leftMargin)
- x = m_leftMargin;
- int y = m_topMargin;
+bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
+{
+ DrawBlankPage(canvas, dc);
+ if (!m_previewBitmap)
+ return false;
+ if (!canvas)
+ return false;
+
+ wxRect pageRect, paperRect;
+ CalcRects(canvas, pageRect, paperRect);
wxMemoryDC temp_dc;
temp_dc.SelectObject(*m_previewBitmap);
- dc.Blit(x, y, m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
+ dc.Blit(pageRect.x, pageRect.y,
+ m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
temp_dc.SelectObject(wxNullBitmap);
-
return true;
}
if (!canvas)
return ;
- int canvasWidth, canvasHeight;
- canvas->GetSize(&canvasWidth, &canvasHeight);
-
- double zoomScale = ((float)m_currentZoom/(float)100);
- double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
- double actualHeight = (zoomScale*m_pageHeight*m_previewScale);
-
- // Set the scrollbars appropriately
- int totalWidth = (int)(actualWidth + 2*m_leftMargin);
- int totalHeight = (int)(actualHeight + 2*m_topMargin);
- int scrollUnitsX = totalWidth/10;
- int scrollUnitsY = totalHeight/10;
+ wxRect pageRect, paperRect;
+ CalcRects(canvas, pageRect, paperRect);
+ int totalWidth = paperRect.width + 2 * m_leftMargin;
+ int totalHeight = paperRect.height + 2 * m_topMargin;
+ int scrollUnitsX = totalWidth / 10;
+ int scrollUnitsY = totalHeight / 10;
wxSize virtualSize = canvas->GetVirtualSize();
if (virtualSize.GetWidth() != totalWidth || virtualSize.GetHeight() != totalHeight)
canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, true);
}
-bool wxPrintPreviewBase::RenderPage(int pageNum)
+bool wxPrintPreviewBase::RenderPageIntoDC(wxDC& dc, int pageNum)
{
- wxBusyCursor busy;
-
- int canvasWidth, canvasHeight;
-
- if (!m_previewCanvas)
- {
- wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
-
- return false;
- }
- m_previewCanvas->GetSize(&canvasWidth, &canvasHeight);
-
- double zoomScale = (m_currentZoom/100.0);
- int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale);
- int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale);
-
- if (!m_previewBitmap)
- {
- m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
- if (!m_previewBitmap || !m_previewBitmap->Ok())
- {
- if (m_previewBitmap) {
- delete m_previewBitmap;
- m_previewBitmap = NULL;
- }
- wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
- return false;
- }
- }
-
- wxMemoryDC memoryDC;
- memoryDC.SelectObject(*m_previewBitmap);
-
- memoryDC.Clear();
-
- m_previewPrintout->SetDC(&memoryDC);
+ m_previewPrintout->SetDC(&dc);
m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
- // Need to delay OnPreparePrinting until here, so we have enough information.
+ // Need to delay OnPreparePrinting() until here, so we have enough
+ // information and a wxDC.
if (!m_printingPrepared)
{
+ m_printingPrepared = true;
+
m_previewPrintout->OnPreparePrinting();
int selFrom, selTo;
m_previewPrintout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
- m_printingPrepared = true;
+
+ // Update the wxPreviewControlBar page range display.
+ if ( m_previewFrame )
+ {
+ wxPreviewControlBar * const
+ controlBar = ((wxPreviewFrame*)m_previewFrame)->GetControlBar();
+ if ( controlBar )
+ controlBar->SetPageInfo(m_minPage, m_maxPage);
+ }
}
m_previewPrintout->OnBeginPrinting();
if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
{
wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
-
- memoryDC.SelectObject(wxNullBitmap);
-
- delete m_previewBitmap;
- m_previewBitmap = NULL;
return false;
}
m_previewPrintout->SetDC(NULL);
- memoryDC.SelectObject(wxNullBitmap);
+ return true;
+}
+
+bool wxPrintPreviewBase::RenderPageIntoBitmap(wxBitmap& bmp, int pageNum)
+{
+ wxMemoryDC memoryDC;
+ memoryDC.SelectObject(bmp);
+ memoryDC.Clear();
+
+ return RenderPageIntoDC(memoryDC, pageNum);
+}
+
+bool wxPrintPreviewBase::RenderPage(int pageNum)
+{
+ wxBusyCursor busy;
+
+ if (!m_previewCanvas)
+ {
+ wxFAIL_MSG(wxT("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
+ return false;
+ }
+
+ wxRect pageRect, paperRect;
+ CalcRects(m_previewCanvas, pageRect, paperRect);
+
+ if (!m_previewBitmap)
+ {
+ m_previewBitmap = new wxBitmap(pageRect.width, pageRect.height);
+
+ if (!m_previewBitmap || !m_previewBitmap->IsOk())
+ {
+ InvalidatePreviewBitmap();
+ wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
+ return false;
+ }
+ }
+
+ if ( !RenderPageIntoBitmap(*m_previewBitmap, pageNum) )
+ {
+ InvalidatePreviewBitmap();
+ wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
+ return false;
+ }
#if wxUSE_STATUSBAR
wxString status;
return true;
}
-
bool wxPrintPreviewBase::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
{
- int canvasWidth, canvasHeight;
- canvas->GetSize(&canvasWidth, &canvasHeight);
+ wxRect pageRect, paperRect;
- float zoomScale = (float)((float)m_currentZoom/(float)100);
- float actualWidth = zoomScale*m_pageWidth*m_previewScale;
- float actualHeight = zoomScale*m_pageHeight*m_previewScale;
+ CalcRects(canvas, pageRect, paperRect);
- float x = (float)((canvasWidth - actualWidth)/2.0);
- if (x < m_leftMargin)
- x = (float)m_leftMargin;
- float y = (float)m_topMargin;
+ // Draw shadow, allowing for 1-pixel border AROUND the actual paper
+ wxCoord shadowOffset = 4;
- // Draw shadow, allowing for 1-pixel border AROUND the actual page
- int shadowOffset = 4;
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxBLACK_BRUSH);
- /*
- dc.DrawRectangle((int)(x-1 + shadowOffset), (int)(y-1 + shadowOffset), (int)(actualWidth+2), (int)(actualHeight+2));
- */
- dc.DrawRectangle((int)(x + shadowOffset), (int)(y + actualHeight+1), (int)(actualWidth), shadowOffset);
- dc.DrawRectangle((int)(x + actualWidth), (int)(y + shadowOffset), shadowOffset, (int)(actualHeight));
+ dc.DrawRectangle(paperRect.x + shadowOffset, paperRect.y + paperRect.height + 1,
+ paperRect.width, shadowOffset);
+
+ dc.DrawRectangle(paperRect.x + paperRect.width, paperRect.y + shadowOffset,
+ shadowOffset, paperRect.height);
- // Draw blank page allowing for 1-pixel border AROUND the actual page
+ // Draw blank page allowing for 1-pixel border AROUND the actual paper
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxWHITE_BRUSH);
-
- /*
- wxRegion update_region = canvas->GetUpdateRegion();
- wxRect r = update_region.GetBox();
-
- printf( "x: %d y: %d w: %d h: %d.\n", (int)r.x, (int)r.y, (int)r.width, (int)r.height );
- */
-
- dc.DrawRectangle((int)(x-2), (int)(y-1), (int)(actualWidth+3), (int)(actualHeight+2));
+ dc.DrawRectangle(paperRect.x - 2, paperRect.y - 1,
+ paperRect.width + 3, paperRect.height + 2);
return true;
}
return;
m_currentZoom = percent;
- if (m_previewBitmap)
- {
- delete m_previewBitmap;
- m_previewBitmap = NULL;
- }
+
+ InvalidatePreviewBitmap();
if (m_previewCanvas)
{
AdjustScrollbars(m_previewCanvas);
- RenderPage(m_currentPage);
((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
m_previewCanvas->ClearBackground();
m_previewCanvas->Refresh();
{ return m_maxPage; }
int wxPrintPreviewBase::GetMinPage() const
{ return m_minPage; }
-bool wxPrintPreviewBase::Ok() const
+bool wxPrintPreviewBase::IsOk() const
{ return m_isOk; }
void wxPrintPreviewBase::SetOk(bool ok)
{ m_isOk = ok; }
+
//----------------------------------------------------------------------------
// wxPrintPreview
//----------------------------------------------------------------------------
return m_pimpl->PaintPage( canvas, dc );
}
+bool wxPrintPreview::UpdatePageRendering()
+{
+ return m_pimpl->UpdatePageRendering();
+}
+
bool wxPrintPreview::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
{
return m_pimpl->DrawBlankPage( canvas, dc );
m_pimpl->SetZoom( percent );
}
+int wxPrintPreview::GetZoom() const
+{
+ return m_pimpl->GetZoom();
+}
+
wxPrintDialogData& wxPrintPreview::GetPrintDialogData()
{
return m_pimpl->GetPrintDialogData();
return m_pimpl->GetMinPage();
}
-bool wxPrintPreview::Ok() const
+bool wxPrintPreview::IsOk() const
{
- return m_pimpl->Ok();
+ return m_pimpl->IsOk();
}
void wxPrintPreview::SetOk(bool ok)
m_pimpl->DetermineScaling();
}
-
#endif // wxUSE_PRINTING_ARCHITECTURE
projects / wxWidgets.git / blobdiff